Relay connector, terminal block module, coil end module, and connection module
By designing a deformable part in the relay connector to absorb the positional offset between terminals, the problem of positional offset during terminal connection is solved, thus achieving stability and reliability of the terminal connection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- AUTONETWORKS TECH LTD
- Filing Date
- 2024-09-13
- Publication Date
- 2026-04-10
AI Technical Summary
When connecting terminals, it is difficult to absorb positional misalignment between terminals.
A relay connector is designed, including a first terminal portion, a second terminal portion, and an intermediate connecting portion. The intermediate connecting portion has a deformable portion, which allows the second terminal portion to change position relative to the first terminal portion. The first housing and the second housing can change position relative to each other, and the deformable portion absorbs the positional offset between the terminals.
It effectively absorbs positional misalignment between terminals, ensuring the stability and reliability of terminal connections.
Smart Images

Figure CN121844455A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to relay connectors, terminal block modules, coil terminal modules, and connection modules. Background Technology
[0002] Patent document 1 discloses a technology that connects a measurement system including a position sensor and a temperature sensor to a controller via a multi-pole socket contact. Existing technical documents Patent documents
[0003] Patent Document 1: International Publication No. 2020 / 259908 Summary of the Invention The problem that the invention aims to solve
[0004] When connecting terminals to each other, it is desirable to absorb positional offset between terminals.
[0005] Therefore, the purpose of this invention is to absorb positional offset between terminals. Solution for solving the problem
[0006] The relay connector of the present invention comprises: a relay terminal including a first terminal portion, a second terminal portion, and an intermediate connecting portion connecting the first terminal portion and the second terminal portion; a first housing for holding the first terminal portion; and a second housing for holding the second terminal portion, the intermediate connecting portion having a deformable portion, the deformable portion allowing the position of the second terminal portion relative to the first terminal portion to change, and the first housing and the second housing being able to change position relative to each other.
[0007] Furthermore, the terminal block module of the present invention is fixed to the housing of a rotary motor equipped with a sensor. The terminal block module includes: a connecting member for electrically connecting an inner bus terminal inside the housing and an outer bus terminal outside the housing; a terminal block body for fixing the connecting member to the housing; an internal connector for the sensor having an inner terminal for the sensor and supported by the terminal block body in a manner located inside the housing; a sensor wiring, at least a portion of which is retained within the terminal block body, for connecting the inner terminal for the sensor to a circuit from outside the housing; and an internal relay connector for the sensor connected to the internal connector for the sensor, the internal relay connector for the sensor being formed as the aforementioned relay connector.
[0008] Furthermore, the coil end module of the present invention is disposed next to the armature within the housing of a rotary electric motor equipped with a sensor. The coil end module includes: a coil end lead-out terminal connected to the coil wire of the rotary electric motor within the housing; a coil end holding portion supporting the coil end lead-out terminal; an internal connector for the sensor having an internal sensor terminal supported by the coil end holding portion in a manner located within the housing; a sensor wiring, at least a portion of which is held within the coil end holding portion, connecting the internal sensor terminal to a circuit from outside the housing; and an internal relay connector for the sensor connected to the internal connector for the sensor, the internal relay connector being formed as described above. Invention Effects
[0009] According to the present invention, it can absorb positional offset between terminals. Attached Figure Description
[0010] Figure 1 This is a perspective view of the mechatronic unit of embodiment 1. Figure 2 This is an exploded three-dimensional view representing a mechatronic unit. Figure 3 This is an exploded three-dimensional view representing a mechatronic unit. Figure 4 This is a 3D diagram representing the coil terminal module. Figure 5 This is a perspective view showing the portion of the coil-end module that includes the temperature sensor and the temperature sensor-side connector. Figure 6 This is a 3D view of the terminal block module. Figure 7 It is a three-dimensional diagram representing the connecting components. Figure 8 It is an exploded three-dimensional view representing the connecting components. Figure 9 This is an explanatory diagram showing the intermediate connection state of the terminal relative to the connecting member. Figure 10 This is an explanatory diagram showing the connection state of the terminal relative to the connecting member. Figure 11 It is a 3D diagram representing the terminal. Figure 12 This is a 3D diagram representing a relay connector. Figure 13 This is an exploded 3D view of a relay connector. Figure 14 yes Figure 12 Sectional view along line XIV-XIV. Figure 15 yes Figure 12Sectional view along the XI-XV line. Figure 16 This is a 3D diagram showing another relay connector. Figure 17 yes Figure 16 A partial sectional view along line XVII-XVII. Figure 18 This is an explanatory diagram showing the manufacturing process of a mechatronic unit. Figure 19 This is an explanatory diagram showing the manufacturing process of a mechatronic unit. Figure 20 This is a perspective view of the mechatronic unit of embodiment 2. Figure 21 It is a 3D diagram showing the coil end module, terminal block module, and speed sensor. Figure 22 yes Figure 21 An exploded 3D diagram. Detailed Implementation
[0011] (Description of embodiments of the present invention) First, embodiments of the present invention will be described.
[0012] The relay connector of the present invention is shown below.
[0013] (1) A relay connector includes: a relay terminal including a first terminal portion, a second terminal portion, and an intermediate connecting portion connecting the first terminal portion and the second terminal portion; a first housing holding the first terminal portion; and a second housing holding the second terminal portion, the intermediate connecting portion having a deformable portion, the deformable portion allowing the position of the second terminal portion relative to the first terminal portion to change, and the first housing and the second housing being able to change position relative to each other.
[0014] According to the present invention, a first connecting terminal can be connected to a first terminal portion, and a second connecting terminal can be connected to a second terminal portion. In the event of a positional shift between the first and second connecting terminals, the deformable portion deforms, and the first and second housings can change position relative to each other. This absorbs the positional shift between the first and second connecting terminals.
[0015] (2) In the relay connector of (1), the first housing and the second housing may cover the intermediate connection in a state that allows the deformable part to deform.
[0016] Therefore, the intermediate connecting part can be covered in an insulating state.
[0017] (3) In the relay connector of (1) or (2), the first housing may include: a first terminal holding portion for holding the first terminal portion; and a cylindrical portion extending from the first terminal holding portion and surrounding the intermediate connecting portion, the second housing including a second terminal holding portion for holding the second terminal portion and an extension portion extending from the second terminal holding portion, the cylindrical portion and the extension portion being locked to each other in a state in which their positions can be changed relative to each other and the movement of the cylindrical portion and the extension portion in the disengagement direction is restricted.
[0018] Therefore, the cylindrical portion can cover the intermediate connecting portion in an insulated state. In addition, the cylindrical portion and the extension portion interlock, so that the first housing and the second housing can be assembled in a state where their relative positions can change and separation is suppressed.
[0019] (4) In the relay connector of (3), one of the cylindrical portion and the extension portion may include a locking claw, and the other of the cylindrical portion and the extension portion may include a locking surface. The locking claw is locked onto the locking surface to restrict the extension portion from moving in a direction away from the cylindrical portion.
[0020] In this situation, the locking claw engages with the locking surface to restrict the extension from moving in one direction away from the cylinder. By moving the extension relative to the cylinder in an approaching direction from this locking state, the first housing and the second housing can move in either the approaching or disengaging direction.
[0021] (5) In the relay connector of (4), the locking claw may also include: an inclined portion that is inclined relative to the approach or disengagement direction of the extension relative to the cylindrical portion; and a top locking portion located on the top side of the inclined portion, the angle of which relative to the approach or disengagement direction is greater than the angle of which the inclined portion is relative to the approach or disengagement direction.
[0022] In this case, by bringing the inclined portion of the locking pawl into contact with the other of the cylindrical portion and the extension portion, the locking pawl can be easily elastically deformed. In addition, by locking the top locking portion, which has a larger angle relative to the approach or separation direction compared to the inclined portion, onto the locking surface, the separation of the cylindrical portion and the extension portion is more reliably suppressed.
[0023] (6) In the relay connector of (4) or (5), the other of the cylindrical portion and the extension portion may have a locking recess, the inner surface of the locking recess having the locking surface, and the width of the locking recess being wider than the width of the locking claw in a direction orthogonal to the approach or departure direction of the extension portion relative to the cylindrical portion.
[0024] Therefore, within the range that the locking claw can move within the locking recess, the first housing and the second housing can move in a direction orthogonal to the approach or disengagement direction.
[0025] (7) In any of (3) to (6) of the relay connector, one of the cylindrical portion and the extension portion may have an elastic sheet that contacts the other of the cylindrical portion and the extension portion, the elastic sheet causing the extension portion to exert force on the cylindrical portion relative to the cylindrical portion in a direction that intersects the approach or disengagement direction of the extension portion relative to the cylindrical portion.
[0026] Therefore, in a direction intersecting the axial direction of the cylindrical portion, it is easy to maintain a certain positional relationship between the cylindrical portion and the extension portion.
[0027] (8) In any of the relay connectors in (1) to (7), the relay terminal may include a first position configuration terminal and a second position configuration terminal.
[0028] Therefore, multiple terminals can be configured in two levels, with terminals configured in the first position and terminals configured in the second position.
[0029] (9) In the relay connector of (8), the deformed portion of the first position configuration terminal and the deformed portion of the second position configuration terminal may be bent in such a way that they protrude to opposite sides.
[0030] In this case, the deformed portions of the first and second position terminals are bent in a manner that protrudes to opposite sides, thus preventing the deformed portions from easily contacting each other. Furthermore, the reaction forces of the deformed portions act in a well-balanced manner on the first and second housings, making it difficult for the second housing to shift relative to the first housing.
[0031] In addition, the terminal block module of the present invention is as follows.
[0032] (10) A terminal block module fixed to the housing of a rotating motor equipped with a sensor, wherein the terminal block module comprises: a connecting member for electrically connecting an inner bus terminal inside the housing and an outer bus terminal outside the housing; a terminal block body for fixing the connecting member to the housing; an internal connector for the sensor having an inner terminal for the sensor supported by the terminal block body in a manner located inside the housing; a sensor wiring, at least a portion of which is retained within the terminal block body for connecting the inner terminal for the sensor to a circuit from outside the housing; and an internal relay connector for the sensor connected to the internal connector for the sensor, wherein the internal relay connector for the sensor is a relay connector of any one of (1) to (9).
[0033] Therefore, the wiring extending from the sensor can be easily connected to the wiring outside the rotating motor.
[0034] (11) In the terminal block module of (10), the sensor may be a speed sensor or a temperature sensor, the internal connector of the sensor may be an internal connector of the speed sensor or an internal connector of the temperature sensor, the wiring of the sensor may be wiring of the speed sensor or wiring of the temperature sensor, and the internal relay connector of the sensor may be an internal relay connector of the speed sensor or an internal relay connector of the temperature sensor.
[0035] Therefore, wiring extending from the speed sensor or temperature sensor can be easily connected to wiring outside the rotating motor.
[0036] In addition, the coil end module of the present invention is as follows.
[0037] (12) A coil end module disposed next to the armature in the housing of a rotating electric motor equipped with a sensor, wherein the coil end module comprises: a coil end lead-out terminal connected to the coil wire of the rotating electric motor within the housing; a coil end holding portion supporting the coil end lead-out terminal; an internal connector for the sensor having an internal terminal for the sensor supported by the coil end holding portion in a manner located within the housing; a sensor wiring, at least a portion of which is held within the coil end holding portion, connecting the internal terminal for the sensor to a circuit from outside the housing; and an internal relay connector for the sensor connected to the internal connector for the sensor, the internal relay connector for the sensor being a relay connector of any one of (1) to (9) above.
[0038] Therefore, the wiring extending from the speed sensor can be easily connected to the wiring outside the rotating motor.
[0039] (13) In the coil end module of (12), the sensor may be a speed sensor or a temperature sensor, the internal connector of the sensor is an internal connector of the speed sensor or an internal connector of the temperature sensor, the wiring of the sensor is wiring of the speed sensor or wiring of the temperature sensor, and the internal relay connector of the sensor is an internal relay connector of the speed sensor or an internal relay connector of the temperature sensor.
[0040] Therefore, wiring extending from the speed sensor or temperature sensor can be easily connected to wiring outside the rotating motor.
[0041] In addition, the connection module of the present invention is as follows.
[0042] (14) A connection module having a relay connector of any one of (1) to (9) fixed to the housing of a rotating electric motor.
[0043] Therefore, it is easy to connect the connecting modules and other wiring in the rotating motor.
[0044] [Details of embodiments of the present invention] The following describes specific examples of the relay connector and terminal block module of the present invention with reference to the accompanying drawings. It should be noted that the present invention is not limited to these examples, but is intended to include all modifications within the meaning and scope equivalent to the claims, as shown by the claims.
[0045] (Implementation Method 1) The relay connector and terminal block module of Embodiment 1 will be described below. In this embodiment, an example will be described in which the relay connector is installed in the terminal block module and the terminal block module is installed in the electromechanical integrated unit.
[0046] (Overall structure) For ease of explanation, the overall structure of the mechatronic unit will be described. Figure 1 This is a three-dimensional view representing the mechatronic unit 20. Figure 2 and Figure 3 This is an exploded perspective view of the mechatronic unit 20.
[0047] The mechatronic unit 20 is a unit that integrates the rotary motor 40 and the control equipment 30 that controls the rotary motor 40.
[0048] The rotating electric motor 40 is a rotating electric motor having a housing 41, an armature 46, and an excitation field 49. The rotating electric motor 40 can be either an electric motor or a generator.
[0049] The device housing 41 has a cylindrical housing body 42 and a cover 43. An armature 46, serving as a stator, is housed within the housing body 42. An excitation magnet 49, serving as a rotor, is disposed within the armature 46. The excitation magnet 49 rotates due to the magnetic field generated by the armature 46, or the armature 46 generates an electromotive force due to the rotation of the excitation magnet 49.
[0050] The armature 46 includes a coil wire 46a. The coil wire 46a is a linear conductive component made of copper wire or the like. The coil wire 46a may also be wound around the armature core.
[0051] The control device 30 is, for example, an inverter device that drives and controls the rotating electric motor 40. It is assumed that the control device 30 is integrated with the housing 41 of the rotating electric motor 40 by means of bolts or the like.
[0052] An outer bus terminal 38 extends from the control device 30. The coil wire 46a is connected to the outer bus terminal 38 via the coil end module 50 and the terminal block module 70.
[0053] The coil end module 50 is located on the open side of the housing body 42 within the armature 46. The coil end module 50 has a coil end lead-out terminal 58 connected to the coil wire 46a within the equipment housing 41. The coil end lead-out terminal 58 extends from the armature 46 toward the open side of the housing body 42. The coil end lead-out terminal 58 extends toward the terminal block module 70. The coil end lead-out terminal 58 is an example of an inner busbar terminal within the equipment housing 41.
[0054] The coil end module 50 may also have a structure that connects the ends of multiple coil lines 46a of the armature 46 to each other.
[0055] The terminal block module 70 is located next to the coil terminal module 50 in the rotation axis X direction of the rotary motor 40. The terminal block module 70 is mounted inside the cover portion 43. An opening 43h is formed in the portion of the cover portion 43 opposite to the control device 30 side of the terminal block module 70. When the control device 30 is mounted on the rotary motor 40, the aforementioned outer bus terminal 38 extends toward the terminal block module 70 through the opening 43h.
[0056] The coil end lead-out terminal 58 and the outer busbar terminal 38 are electrically connected through the terminal block module 70.
[0057] In this embodiment, it is assumed that the rotary motor 40 is a rotary motor that can be used as a three-phase AC motor. Therefore, the rotary motor 40 has three coil end leads 58, and the control device 30 has three outer bus terminals 38. Each of the three coil end leads 58 is electrically connected to the three outer bus terminals 38 via a terminal block module 70.
[0058] In the following description, in the direction along the rotation axis X of the rotary motor 40, the side of the cover 43 is sometimes referred to as the front side, and the opposite side as the rear side. Additionally, in the direction orthogonal to the rotation axis X, the side of the rotary motor 40 is sometimes referred to as the lower side, and the side of the control device 30 is sometimes referred to as the lower side. Furthermore, the left-right direction is sometimes mentioned based on these up-down and front-back directions.
[0059] Additionally, the rotary motor 40 includes a speed sensor 100. The speed sensor 100 is, for example, a sensor that detects the rotational speed of the excitation 49, which serves as the rotor, by detecting the rotational angle of that excitation 49. The speed sensor 100 can also be a sensor referred to as a resolver.
[0060] In addition, the rotary motor 40 is equipped with a temperature sensor 110. The temperature sensor 110 is a sensor that detects the temperature inside the rotary motor 40, such as the temperature of the coil wire 46a. The detection signals from the speed sensor 100 and the temperature sensor 110 are provided to the control device 30. Therefore, the control device 30 can control the rotary motor 40 based on the detection signals from the speed sensor 100 and the temperature sensor 110.
[0061] The terminal block module 70 described above has an internal connector 74 for the speed sensor that connects to the speed sensor 100 within the device housing 41. Additionally, the terminal block module 70 has wiring for transmitting the detection signal from the speed sensor 100 to the outside. Therefore, the detection signal from the speed sensor 100 within the device housing 41 can be easily output to the outside via the internal connector 74 and the wiring.
[0062] Furthermore, the terminal block module 70 described above has an internal connector 76 for a temperature sensor that connects to the temperature sensor 110 within the device housing 41. Additionally, the terminal block module 70 has wiring for transmitting the detection signal from the temperature sensor 110 to the outside. Therefore, the detection signal from the temperature sensor 110 within the device housing 41 can be easily output to the outside via the internal connector 76 and the wiring. The internal connector 76 and the wiring for it can be configured separately from the terminal block module or omitted entirely.
[0063] The following is a description of the structure of each part.
[0064] (Coil end module) Figure 4 This is a 3D view showing the coil terminal module 50. Figure 4 The figure shows a portion of the coil line 46a extending from the armature 46. Figure 5 This is a perspective view of the portion of the coil end module 50 in which the temperature sensor 110 and the temperature sensor-side connector 112 are assembled.
[0065] like Figures 2 to 5 As shown, the coil end module 50 has a coil end lead-out terminal 58 and a coil end holding part 52.
[0066] The coil lead-out terminal 58 is connected to the coil wire 46a. The coil end holding part 52 supports the coil lead-out terminal 58 in a cantilever shape along the rotation axis X of the rotary motor 40.
[0067] More specifically, the coil end holding portion 52 is formed of an insulating material such as resin. An insertion hole 52h is formed in the coil end holding portion 52 for inserting multiple coil wires 46a extending from the armature 46. Figure 4 The middle image shows a portion of the end of the multiple coil wires 46a.
[0068] The coil end holding portion 52 is formed in an arc shape on a portion of the circumferential end face of the cover portion 43 side in the armature 46. The coil end holding portion 52 holds the relay bus 53. The relay bus 53 is a conductive member formed of a metal plate such as copper. The relay bus 53 has a connection end 53a that can be arranged adjacent to the coil wire 46a inserted into the insertion hole 52h. The end of the coil wire 46a inserted into the insertion hole 52h is electrically connected to the connection end 53a. For example, the coil wire 46a can also be joined to the connection end 53a. The joining can also be resistance welding, ultrasonic welding, brazing, or riveting.
[0069] The relay bus 53 has an intermediate connection section that connects multiple connection terminals 53a in a predetermined combination. Thus, multiple coil wires 46a connected to the connection terminals 53a are electrically connected in a predetermined combination.
[0070] Coil end lead-out terminals 58 extend from the surface of the cover portion 43 in the coil end holding portion 52. As described above, three coil end lead-out terminals 58 extend from the coil end holding portion 52. The three coil end lead-out terminals 58 are positioned at intervals along an arc with the rotation axis X as the center of curvature. Each coil end lead-out terminal 58 is along the rotation axis X.
[0071] The coil lead-out terminal 58 can also be connected to the connection terminal 53a connected to any coil wire 46a via an intermediate connection portion. For example, the coil lead-out terminal 58 can also be a metal plate portion integrally formed with the relay bus 53. The coil lead-out terminal 58 can also be directly connected to the coil wire 46a.
[0072] The coil end lead-out terminal 58 is formed into an elongated plate shape. One main surface of the coil end lead-out terminal 58 faces the inside of the device housing 41, and the other main surface faces the outside of the device housing 41. Therefore, the coil end lead-out terminal 58 can be deformed around the base end that is cantilevered and supported by the coil end holding part 52, so that the top end is shifted in the inner and outer circumferential directions of the device housing 41.
[0073] Additionally, the coil end module 50 has a temperature sensor 110 and a temperature sensor-side connector 112.
[0074] Temperature sensor 110 is a temperature sensor thermally coupled to the aforementioned coil wire 46a. Thermal coupling of temperature sensor 110 to coil wire 46a means that the temperature sensor 110 can detect temperature changes in coil wire 46a. For example, temperature sensor 110 can be in direct contact with coil wire 46a or through a thermally conductive component such as copper. That is, the thermally conductive component that the temperature sensor 110 measures can be the coil wire 46a itself, a relay bus 53 connected to the coil wire 46a, a thermally conductive relay component connected to the coil wire 46a separately from the relay bus 53, or a portion where coil wire 46a branches off and is led out.
[0075] The temperature sensor 110 may also be a sensor in which the thermal element is covered with resin, for example. The contact state between the temperature sensor 110 and the coil wire 46a or the thermally conductive component may also be maintained, for example, by the following structure.
[0076] The temperature sensor 110 can also be held in a certain position by the coil end holding part 52, and the thermally conductive member can also be inserted into the coil end holding part 52 and held in contact with the temperature sensor 110. Alternatively, the temperature sensor 110 and the thermally conductive member can be held in contact with each other in the coil end holding part 52, and the thermally conductive member can also be joined to the coil wire 46a by welding or the like. The thermally conductive member can also have a rivet, and the rivet is riveted to the temperature sensor 110.
[0077] As an example of wiring, a wire 114 extends from the temperature sensor 110. A temperature sensor-side connector 112 is connected to the end of the wire 114. The temperature sensor-side connector 112 is connected to the temperature sensor 110 via the wire 114. It should be noted that the components described in the wiring description can be either wires or a structure using a single or multiple busbars.
[0078] The coil end holding part 52 holds the temperature sensor side connector 112 in a position where it can be connected to the internal connector 76 of the temperature sensor on the terminal block module 70 side.
[0079] Here, a connector retaining portion 54 protrudes from near one end of the coil end retaining portion 52. More specifically, the connector retaining portion 54 protrudes from the surface of the coil end retaining portion 52 facing the terminal block module 70 and avoiding the coil wire 46a and the connecting end 53a. The connector retaining portion 54 protrudes along the rotation axis X. An inner connector receiving portion 55 is formed at the top of the connector retaining portion 54. The inner connector receiving portion 55 is formed in the shape of a box with an opening on the terminal block module 70 side. The inner peripheral surface of the inner connector receiving portion 55 is larger than the outer peripheral surface of the temperature sensor side connector 112, allowing the temperature sensor side connector 112 to move within the inner connector receiving portion 55 in a direction orthogonal to the rotation axis X. A wire insertion groove 55g is formed from the peripheral wall to the bottom surface of the inner connector receiving portion 55. The wire 114 extending from the temperature sensor side connector 112 passes through this wire insertion groove 55g and is wound toward the temperature sensor 110.
[0080] The temperature sensor side connector 112 is held in place by its base end being housed in the inner connector receiving portion 55. In this state, the temperature sensor side connector 112 can move in a direction orthogonal to the rotation axis X within a range limited by the inner surface of the inner connector receiving portion 55. Furthermore, its movement toward the armature 46 side along the rotation axis X is limited by the bottom surface of the inner connector receiving portion 55.
[0081] The temperature sensor-side connector 112 faces the terminal block module 70. Through the coil end module 50 and the terminal block module 70, the connector moves closer to the terminal block module 70 along the rotation axis X, allowing the temperature sensor-side connector 112 and the internal connector 76 of the temperature sensor on the terminal block module 70 side to connect. At this time, based on the positional error of the two connectors 112 and 76, the temperature sensor-side connector 112 can move in a direction orthogonal to the rotation axis X.
[0082] Alternatively, a wire support portion 54P for supporting the wire 114 can be provided on the outside of the inner connector receiving portion 55 in the connector holding portion 54. By supporting the wire 114 with the wire support portion 54P, the temperature sensor side connector 112 can be prevented from falling off the inner connector receiving portion 55.
[0083] (Terminal socket module) Figure 6 This is a perspective view showing the terminal block module 70. Figure 6 In the diagram, double-dotted lines are used to indicate the coil lead-out terminal 58 and the outer busbar terminal 38. For example... Figure 2 , Figure 3 and Figure 6 As shown, the terminal block module 70 is a component fixed to the aforementioned device housing 41. The terminal block module 70 has a connecting member 80 and a terminal block body 72.
[0084] The connecting member 80 is used to electrically connect the coil end lead-out terminal 58, which is an inner busbar terminal, and the outer busbar terminal 38 outside the equipment housing 41. The connecting member 80 may not necessarily have the primary function of electrically connecting the coil end lead-out terminal 58 and the outer busbar terminal 38, but rather play an auxiliary role. That is, for example, the connecting member 80 does not necessarily need to form a conductive path between the coil end lead-out terminal 58 and the outer busbar terminal 38. Of course, the connecting member may also be a member that forms a conductive path between the coil end lead-out terminal and the outer busbar terminal.
[0085] In this embodiment, the connecting member 80 applies force to the outer bus terminal 38 by the coil end lead-out terminal 58, thereby maintaining the two terminals 58 and 38 in a more reliable electrical connection state.
[0086] Figure 7 This is a perspective view showing the connecting component 80. Figure 8 This is an exploded perspective view showing the connecting member 80. For example... Figures 6 to 8 As shown, the connecting member 80 includes a supporting member 82, a force-applying member 86, and a pressing piece 88.
[0087] The support member 82 has a bottom 83 on which a force-applying member 86 is supported. For example, the support member 82 is formed by stamping a metal sheet. The support member 82 includes a bottom 83 and a pair of side plates 84. The bottom 83 is formed in the shape of a square plate. The pair of side plates 84 extend from both sides of the bottom 83 toward one of its main surfaces. Positioning tabs 83a protrude from the front and rear edges of the bottom 83. The force-applying member 86 is positioned on the bottom 83 between the pair of side plates 84 and the front and rear positioning tabs 83a.
[0088] A guide groove 84g extending along the extending direction of the side plate 84 is formed at the top end of the side plate 84. An anti-detachment piece 84a protrudes from the upper end of the rear side edge of the bottom 83. The guide groove 84g and the anti-detachment piece 84a restrict the movement direction and range of the pressing piece 88.
[0089] The force-applying component 86 is an elastic component such as a helical spring. The force-applying component 86 can also be a leaf spring, disc spring, rubber, etc. The force-applying component 86 is supported on the bottom 83. The upper end of the force-applying component 86 is located further away from the bottom 83 than the anti-detachment piece 84a.
[0090] The pressing plate 88 is supported by the supporting member 82 so that it can move towards or away from the bottom 83. The pressing plate 88 is formed, for example, by stamping a metal sheet.
[0091] In this embodiment, the pressing plate 88 has a pressing plate portion 88a, a guide portion 88g, and a hanging plate portion 88b.
[0092] The pressing plate portion 88a is a flat plate, specifically a square plate in this case. The pressing plate portion 88a is located on the side opposite to the bottom 83 relative to the force-applying member 86. That is, the pressing plate portion 88a is located on the force-applying member 86. The force-applying direction of the pressing plate portion 88a is orthogonal to that of the force-applying member 86, i.e., parallel to the bottom 83. The force-applying member 86 is positioned between the pressing plate portion 88a and the bottom 83 in a compressed state. As the pressing plate portion 88a moves closer to or further away from the bottom 83 with the extension and retraction of the force-applying member 86, it is positioned in the left-right direction by contacting the inner surfaces of a pair of side plates 84.
[0093] Furthermore, protrusions 88ap protrude from both sides of the pressing plate portion 88a. The protrusions 88ap move along the guide groove 84g. When the pressing plate portion 88a moves, the protrusions 88ap contact the side edges of the guide groove 84g on both the left and right sides of the pressing plate portion 88a, thereby positioning the pressing plate portion 88a in the front-back direction.
[0094] The guide portion 88g extends from the rear edge of the periphery of the pressing plate portion 88a, i.e., the edge of the coil end module 50. The guide portion 88g extends in a manner that gradually approaches the bottom 83 side in a direction away from the pressing plate portion 88a. In this embodiment, the guide portion 88g forms a partially cylindrical shape from the rear edge of the pressing plate portion 88a and extends rearward and downward.
[0095] The drooping plate portion 88b extends from the top edge of the guide portion 88g along the force-applying direction of the force-applying member 86 toward the bottom 83 side. The drooping plate portion 88b covers the force-applying member 86 from the coil end module 50 side.
[0096] Protrusions 88bp extend from the upper part of both sides of the hanging plate portion 88b. The protrusions 88bp move up and down along the rear edge of the side plate 84 and contact the aforementioned anti-detachment piece 84a from the bottom 83 side. By contacting the anti-detachment piece 84a with the protrusions 88bp, the movement of the pressing piece 88 away from the bottom 83 is restricted.
[0097] By restricting the movement of the protrusions 88ap and 88bp of the pressing piece 88 by the guide groove 84g and the anti-detachment piece 84a, the support member 82 supports the pressing piece 88 so that it can reciprocate between a standby position and an approach position closer to the bottom 83 than the standby position. In this embodiment, the standby position is the position where the protrusion 88bp contacts the anti-detachment piece 84a from the bottom 83 side. The standby position is the position where the protrusion 88ap contacts the edge of the guide groove 84g on the bottom 83 side.
[0098] The terminal block body 72 is formed of resin or the like and is fixed to the cover 43 of the device housing 41 to maintain the state of the connecting member 80.
[0099] More specifically, the terminal block body 72 is formed in an elongated shape. A receiving recess 73 for receiving the connecting member 80 is formed in the terminal block body 72. In this embodiment, the terminal block body 72 forms three receiving recesses 73 arranged along the extending direction of the terminal block body 72 to hold the three connecting members 80. A threaded fastening portion 71, serving as an assembly portion, is integrally formed in the terminal block body 72. The terminal block body 72 is threadedly fastened to the cover portion 43 via the threaded fastening portion 71.
[0100] The terminal block body 72 has an inner opening 73h1 and an outer opening 73h2. Each receiving recess 73 opens into the inner opening 73h1 and the outer opening 73h2.
[0101] The inner opening 73h1 is an opening along the rotation axis X to receive the coil end lead-out terminal 58, which serves as the inner busbar terminal. That is, the inner opening 73h1 is an opening on the front extension line of the coil end lead-out terminal 58.
[0102] The outer opening 73h2 is an opening that receives the outer busbar terminal 38 along the direction from the outer periphery of the equipment housing 41 toward the inner periphery. That is, the outer opening 73h2 is an opening on the extension line of the outer busbar terminal 38 extending from the control device 30 mounted on the rotary motor 40.
[0103] As explained later, the coil end module 50 is mounted to the end of the armature 46 within the housing body 42. Additionally, the terminal block module 70 is mounted to the cover 43. Furthermore, when the cover 43 is mounted to the housing body 42, as... Figure 9 and Figure 10 As shown, the coil lead-out terminal 58 is guided onto the pressing plate 88 through the inner opening 73h1. At this time, when the coil lead-out terminal 58 is located lower than the pressing plate portion 88a, the top end of the coil lead-out terminal 58 contacts the guide portion 88g. Because the coil lead-out terminal 58 is supported in a cantilever shape, the coil lead-out terminal 58 can be tilted in a way that the top end of the coil lead-out terminal 58 is moved upward. As a result, the top end of the coil lead-out terminal 58 can be guided by the guide portion 88g to move onto the pressing plate portion 88a.
[0104] As a result, the coil lead-out terminal 58 is positioned on the opposite side of the bottom 83 relative to the force-applying member 86.
[0105] When the control device 30 is mounted on the rotary motor 40, the outer bus terminal 38 moves onto the connecting member 80 through the outer opening 73h2. The outer bus terminal 38 is positioned on the opposite side of the force-applying member 86 relative to the coil end lead-out terminal 58.
[0106] When the control device 30 is mounted on the rotary motor 40, the lower end position of the outer busbar terminal 38 is set at a position that can compress the force-applying member 86, taking into account the thickness of the coil end lead terminal 58 and the thickness of the pressing plate portion 88a. For example, it is set such that when the control device 30 is mounted on the rotary motor 40, a gap smaller than the thickness of the coil end lead terminal 58 is formed between the lower end position of the outer busbar terminal 38 and the pressing plate portion 88a.
[0107] With the control device 30 mounted on the rotary motor 40, the lower end of the outer busbar terminal 38 is pressed downwards by the force-applying member 86 via the coil end lead-out terminal 58 and the pressing plate portion 88a, thereby compressing the force-applying member 86. At this time, the coil end lead-out terminal 58 is supported in a cantilever shape, so when pressed by the outer busbar terminal 38, it can tilt around the base end.
[0108] In this state, the pressing plate 88a moves upward due to the force exerted by the force-applying member 86 to return to its original length. This force presses the coil end lead-out terminal 58 against the outer bus terminal 38. That is, in the completed state of the mechatronic unit 20, the force-applying member 86 always applies force to the coil end lead-out terminal 58 against the outer bus terminal 38. Therefore, the coil end lead-out terminal 58 and the outer bus terminal 38 are maintained in a state of more reliable electrical connection.
[0109] In this embodiment, as described above, an example is given where the pressing plate portion 88a of the pressing piece 88 is located between the force-applying member 86 and the coil end lead-out terminal 58. Alternatively, the pressing piece 88 may be omitted, and the force-applying member 86 may directly push the coil end lead-out terminal 58 toward the outer busbar terminal 38.
[0110] As described above, the terminal block module 70 and the coil end module 50 constitute the wiring unit 28 for the rotary motor, which connects the coil wire 46a to the outer bus terminal 38 inserted from outside the equipment housing 41.
[0111] (Structure related to wiring for sensors) The terminal block module 70 has a structure for leading the speed sensor 100 inside the device housing 41 to the outside.
[0112] That is, the terminal block module 70 has an internal connector 74 for the speed sensor and wiring 60 for the speed sensor.
[0113] An extension portion 72E is integrally formed at one end of the terminal block body 72 by means of a mold. An internal connector 74 for a speed sensor is formed in the extension portion 72E.
[0114] The internal connector 74 for the speed sensor has an internal terminal 75 for the speed sensor, which is supported by a terminal block body 72 and located within the device housing 41. The internal connector 74 for the speed sensor is configured to connect to the speed sensor-side connector 106 of the speed sensor 100 via the relay connector 150.
[0115] It should be noted that the temperature sensor-side connector 112 of the temperature sensor 110 can also be configured to connect to the internal connector 76 of the temperature sensor via the relay connector 150M (see reference). Figure 6 (Relay connector 150M is indicated by a double-dotted line). Like relay connector 150, relay connector 150M can utilize a structure for absorbing positional shifts. In this case, the temperature sensor-side connector 112 can also be left unsupported so that its position can be changed.
[0116] More specifically, the internal connector 74 for the speed sensor has an internal connector housing 74a and an inner terminal 75 for the speed sensor. The internal connector housing 74a has a recess into which a relay connector 150 can be inserted. The inner terminal 75 for the speed sensor protrudes from the bottom of the recess in the internal connector housing 74a. The relay connector 150 is inserted into the internal connector housing 74a, thereby connecting the inner terminal 75 for the speed sensor to the relay terminal 152 on the side of the relay connector 150 (see reference). Figure 13 )connect.
[0117] The terminal block body 72 supports the internal connector 74 for the speed sensor at a position opposite the speed sensor-side connector 106 of the speed sensor 100 housed in the device housing 41, across the relay connector 150. In this embodiment, the connection direction of the relay connector 150 relative to the internal connector 74 for the speed sensor and the connection direction of the speed sensor-side connector 106 relative to the relay connector 150 are set along the direction of the rotation axis X.
[0118] The relay connector 150 can also be connected to the internal connector 74 for the speed sensor while the inner terminal 75 of the speed sensor is connected to the relay terminal 152. That is, the terminal block module 70 can also be provided as a component while the relay connector 150 is connected to the internal connector 74 for the speed sensor. The relay connector 150 connected to the internal connector 74 for the speed sensor is an example of an inner relay connector for the speed sensor.
[0119] Here, the speed sensor 100 has an annular body portion 102, a connector support portion 104 extending outward from a circumferential portion of the annular body portion 102, and a speed sensor side connector 106 supported at the top end of the connector support portion 104 (see reference). Figure 18The annular main body 102, for example, is arranged in a ring shape at the portion where the coil wire is wound. As the excitation 49 rotates, the current excited by the coil wire is output via the speed sensor side connector 106. It should be noted that the speed sensor 100 does not necessarily have the above structure, and can also be a speed sensor using an optical sensor, magnetic sensor, etc.
[0120] The annular main body 102 has a threaded fastening part 103 as an assembly part, and the annular main body 102 is assembled to the cover part 43 by means of the threaded fastening part 103. The speed sensor side connector 106 is located on the outside of the annular main body 102. Here, the speed sensor internal connector 74 has a shape that is longer in the tangential direction of the circle centered on the rotation axis X on a plane orthogonal to the rotation axis X.
[0121] Both the terminal block module 70 and the speed sensor 100 are mounted on the cover 43. The internal connector 74 for the speed sensor in the terminal block module 70 is positioned opposite the speed sensor-side connector 106 via the relay connector 150 when mounted on the cover 43. Furthermore, the internal connector 74 for the speed sensor faces rearward along the rotation axis X, and the speed sensor-side connector 106 faces forward along the rotation axis X. Therefore, with the terminal block module 70 and the speed sensor 100 mounted on the cover 43, the internal connector 74 for the speed sensor and the speed sensor-side connector 106 are opposite each other along the rotation axis X and connected to each other via the relay connector 150.
[0122] At least a portion of the speed sensor wiring 60 is retained within the terminal block body 72, connecting the aforementioned inner terminal 75 of the speed sensor to the terminals of the circuit, i.e., the outer connector, outside the device housing 41. It should be noted that multiple speed sensor wirings 60 are provided corresponding to the multiple inner terminals 75 of the speed sensors (in... Figure 6 (Only a portion is shown in the image).
[0123] The wiring 60 for the speed sensor can be a portion of a metal plate, such as copper, that has been punched into a wire shape, or it can be a metal wire, or it can be an electrical wire with a metal wire coated with resin. In this embodiment, it is assumed that the wiring 60 for the speed sensor is a portion of a metal plate, such as copper, that has been punched into a wire shape.
[0124] Furthermore, assume that the terminal block body 72 is a resin component molded with at least a portion of the speed sensor wiring 60 as an insert. The terminal block body 72 is a component having a through hole through which the speed sensor wiring can pass, and is configured such that when the speed sensor wiring is disposed in the through hole, the gap between the wiring and the through hole is filled with a filler material or the like.
[0125] Additionally, the terminal block module 70 has an external connector 78, which has an outer terminal 79t1 for a speed sensor. The outer terminal 79t1 for the speed sensor is connected to the speed sensor wiring 60 described above. A plurality of outer terminals 79t1 for the speed sensor are provided corresponding to the number of inner terminals 75 for the speed sensor. The external connector 78 is a portion supported by the terminal block body 72 in a manner that allows connection to an outer connector 39 from outside the device housing 41.
[0126] More specifically, the external connector 78 has an external connector housing 78a and an outer terminal 79t1 for the speed sensor. The external connector housing 78a is a portion integrally formed by a mold on the extension 72E of the terminal block body 72, and has a recess for inserting the relay connector 250. The outer terminal 79t1 for the speed sensor protrudes from the bottom of the recess of the external connector housing 78a. The relay connector 250 is inserted into the external connector housing 78a, thereby connecting the outer terminal 79t1 for the speed sensor to the relay terminal 152 of the relay connector 250.
[0127] The terminal block body 72 supports the external connector 78 at a position opposite the outer connector 39 mounted on the control device 30 side of the device housing 41, across the relay connector 250. In this embodiment, the control device 30 supports the outer connector 39 next to the outer bus terminal 38. The outer connector 39 is supported towards the rotary motor 40, i.e., downwards. The connection direction of the relay connector 250 relative to the external connector 78 and the connection direction of the outer connector 39 relative to the relay connector 250 are set to a direction orthogonal to the rotation axis X, which is the vertical direction. That is, the connection direction of the relay connector 250 relative to the external connector 78 and the connection direction of the outer connector 39 relative to the relay connector 250 are set along a direction from the outer periphery of the device housing 41 toward the inner periphery.
[0128] The relay connector 250 can also be connected to the external connector 78 while the speed sensor is connected to the relay terminal 152 via the outer terminal 79t1. That is, the terminal block module 70 can also be provided as a component while the relay connector 250 is connected to the external connector 78. The relay connector 250 connected to the external connector 78 is an example of an external relay connector for a speed sensor.
[0129] With the rotary motor 40 assembled, the control device 30 is then installed on the rotary motor 40. At this time, the outer connector 39 is inserted from above into the outer connector 78 through the opening 43h of the cover 43. With the control device 30 installed on the rotary motor 40, the outer connector 39 and the outer connector 78 are positioned opposite each other and connected to each other.
[0130] As described above, the speed sensor side connector 106 of the speed sensor 100 is connected to the internal connector 74 for the speed sensor, and the outer connector 39 is connected to the outer connector 78. The internal terminal 75 of the internal connector 74 and the outer terminal 79t1 of the outer connector 78 are connected via the speed sensor wiring 60. The internal connector 74, the outer connector 78, and the speed sensor wiring 60 are integrally mounted in the terminal block module 70. Therefore, the speed sensor 100 is connected to the control device 30 via the terminal block module 70.
[0131] The aforementioned inner terminal 75, outer terminal 79t1, and wiring 60 for the speed sensor can also be integrally formed as a metal wiring component. For example, a metal wiring component in which the inner terminal 75, wiring 60, and outer terminal 79t1 are sequentially connected can be formed by stamping a metal sheet such as copper. Therefore, compared to using wires as connecting components between terminals, lower costs can be achieved, and connection reliability can be further improved.
[0132] As described above, the terminal block body 72, the inner connector housing 74a, and the outer connector housing 78a can also be integrally molded from resin using a mold. In this case, the speed sensor inner terminal 75 can be located within the inner connector housing 74a, the speed sensor outer terminal 79t1 can be located within the outer connector housing 78a, and the speed sensor wiring 60 can be embedded as an insert into the terminal block body 72 (here, the extension 72E). Therefore, the speed sensor inner connector 74 and outer connector 78 can be easily integrally formed in the terminal block module 70. It should be noted that the terminal block body 72 can also be formed by multiple molding processes, such as two-color molding or two-mold molding.
[0133] Additionally, the terminal block module 70 has a structure for leading the temperature sensor 110 inside the device housing 41 to the outside.
[0134] That is, the terminal block module 70 has an internal connector 76 for the temperature sensor and wiring 62 for the temperature sensor.
[0135] An internal connector 76 for a temperature sensor is formed on an extension 72E at one end of the terminal block body 72.
[0136] The internal connector 76 for the temperature sensor has an internal terminal 77 for the temperature sensor and is supported by the terminal block body 72 in a manner located within the device housing 41. The internal connector 76 for the temperature sensor is part of the temperature sensor-side connector 112 configured to connect to the temperature sensor 110.
[0137] More specifically, the internal connector 76 for the temperature sensor has an internal connector housing 76a and an internal terminal 77 for the temperature sensor. The internal connector housing 76a has a recess into which the temperature sensor-side connector 112 can be inserted. The internal terminal 77 for the temperature sensor protrudes from the bottom of the recess in the internal connector housing 76a. The internal terminal 77 for the temperature sensor is connected to the terminal on the side of the temperature sensor-side connector 112 by inserting the temperature sensor-side connector 112 into the internal connector housing 76a.
[0138] The terminal block body 72 supports the internal connector 76 for the temperature sensor at a position opposite to the temperature sensor-side connector 112 of the temperature sensor 110 housed within the device housing 41. In this embodiment, the connection direction of the temperature sensor-side connector 112 relative to the internal connector 76 for the temperature sensor is set along the direction of the rotation axis X.
[0139] As described above, the temperature sensor 110 is held by the coil end module 50, and the temperature sensor-side connector 112 is also held by the coil end module 50. The temperature sensor-side connector 112 faces forward along the rotation axis X. The position supported by the temperature sensor-side connector 112 is the outer peripheral position of the speed sensor-side connector 106 described above. The internal connector 76 for the temperature sensor faces rearward along the rotation axis X, and is therefore opposite to the temperature sensor-side connector 112.
[0140] Furthermore, when the coil end module 50 is assembled into the armature 46 inside the housing body 42 and the terminal block module 70 is assembled into the cover 43, when the cover 43 is assembled into the housing body 42, the temperature sensor side connector 112 and the internal connector 76 for the temperature sensor move toward each other, and the two connectors 76 and 112 connect. At this time, the temperature sensor side connector 112 is supported by the connector holding part 54 and is movable. Therefore, even if a positional error occurs between the two connectors 76 and 112, the temperature sensor side connector 112 can be moved vertically or horizontally in accordance with the position of the internal connector 76 for the temperature sensor.
[0141] At least a portion of the temperature sensor wiring 62 is retained within the terminal block body 72, and the inner terminal 77 of the temperature sensor is connected to the wiring on the outer connector side, which serves as a circuit from outside the device housing 41. It should be noted that multiple temperature sensor wirings 62 are provided corresponding to the multiple inner terminals 77 of the temperature sensors.
[0142] The wiring 62 for the temperature sensor can be a portion of a metal plate, such as copper, that has been punched into a wire shape, or it can be a metal wire, or it can be an electrical wire with a metal wire coated with resin. In this embodiment, it is assumed that the wiring 62 for the temperature sensor is a portion of a metal plate, such as copper, that has been punched into a wire shape.
[0143] Alternatively, assume that the terminal block body 72 is a resin component molded with at least a portion of the temperature sensor wiring 62 as an insert. The terminal block body 72 may also be a component having a through hole through which the temperature sensor wiring can pass, and configured such that when the temperature sensor wiring is disposed in the through hole, the gap between the wiring and the through hole is filled with a filler material or the like.
[0144] Additionally, the terminal block module 70 has an external connector 78, which has an outer terminal 79t2 for a temperature sensor. The outer terminal 79t2 for the temperature sensor is connected to the aforementioned temperature sensor wiring 62. A plurality of outer terminals 79t2 for the temperature sensor are provided corresponding to the number of inner terminals 77 for the temperature sensors. The external connector 78 is a portion supported by the terminal block body 72 in a manner that allows connection to an outer connector 39 from outside the device housing 41.
[0145] More specifically, the external connector 78 has an external connector housing 78a and an outer terminal 79t2 for a temperature sensor. As described above, the external connector housing 78a is a connector housing with an outer terminal 79t1 for a speed sensor. The outer terminal 79t2 for the temperature sensor protrudes from the bottom of a recess in the external connector housing 78a. That is, in this embodiment, the external connector 78, having an outer terminal 79t1 for a speed sensor and an outer terminal 79t2 for a temperature sensor, is a connector for outputting both a speed detection signal and a temperature detection signal.
[0146] Furthermore, the temperature sensor is connected to the outer connector housing 78a via the outer connector 39, thereby connecting the outer terminal 79t2 of the temperature sensor to the terminal on the side of the outer connector 39.
[0147] As described above, the temperature sensor side connector 112 of the temperature sensor 110 is connected to the internal connector 76 for the temperature sensor, and the outer connector 39 is connected to the outer connector 78 via the relay connector 250. The inner terminal 77 of the internal connector 76 and the outer terminal 79t2 of the outer connector 78 are connected via the temperature sensor wiring 62. The aforementioned internal connector 76, outer connector 78, and temperature sensor wiring 62 are integrally housed in the terminal block module 70. Therefore, the temperature sensor 110 is connected to the control device 30 via the terminal block module 70.
[0148] The inner terminal 77, outer terminal 79t2, and wiring 62 of the temperature sensor can also be integrally formed as a metal wiring component. For example, a metal wiring component in which the inner terminal 77, wiring 62, and outer terminal 79t2 of the temperature sensor are connected in sequence can also be formed by stamping a metal plate such as copper.
[0149] As described above, the terminal block body 72, the inner connector housing 76a, and the outer connector housing 78a can also be integrally molded from resin using a mold. In this case, the temperature sensor inner terminal 77 can be located within the inner connector housing 76a, the temperature sensor outer terminal 79t2 can be located within the outer connector housing 78a, and the temperature sensor wiring 62 can be embedded as an insert into the terminal block body 72 (here, the extension 72E). Therefore, the temperature sensor inner connector 76 and outer connector 78 can be easily integrally formed in the terminal block module 70. It should be noted that the terminal block body 72 can also be formed by multiple molding processes, such as in two-color molding (two-mold molding).
[0150] It should be noted that, in the aspect where the external connector 78 has an outer terminal 79t1 for a speed sensor, the external connector 78 is an example of an external connector for a speed sensor. Furthermore, in the aspect where the external connector 78 has an outer terminal 79t2 for a temperature sensor, the external connector 78 is an example of a connector for a temperature sensor.
[0151] In the above embodiment, the external connector 78 is used as a connector for outputting both temperature and speed detection signals. However, the external connector can also be divided into a connector with an outer terminal for a speed sensor and a connector with an outer terminal for a temperature sensor.
[0152] (The terminal of the control equipment) The terminal 32 extending from the control device 30 to the rotary motor 40 will be described. Figure 11 This is a perspective view showing terminal 32. Control device 30 is a device for controlling rotating electric motor 40 and has an inverter control board. Control device 30 has terminal 32 connecting the inverter control board and rotating electric motor 40.
[0153] Terminal 32 has a base member 33, a plurality of (three in this case) outer bus terminals 38 and a signal relay section 36.
[0154] The base component 33 has a base plate portion 33a and a column portion 33b protruding from the base plate portion 33a toward the rotary motor 40. The base plate portion 33a is fixed to the housing of the control device 30 by means of threaded fastening or the like.
[0155] The outer bus terminal 38 is formed of a metal plate such as a copper plate. The outer bus terminal 38 has an elongated plate-shaped middle portion and upper and lower ends extending curvedly from both ends of the elongated plate-shaped middle portion toward one of its main surfaces. The upper end of the outer bus terminal 38 is disposed on the base plate portion 33a and is connected to the bus 130 extending from the inverter control board via threaded fastening or the like. The plate-shaped middle portion of the outer bus terminal 38 extends along the side of the front side of the pillar portion 33b. The lower end of the outer bus terminal 38 is disposed in a manner that overlaps with the lower surface of the base plate portion 33a.
[0156] The signal relay unit 36 has an outer connector 39, a substrate-side connector 37, and a conductor 36W connecting the two connectors. The conductor 36W is, for example, a long, thin conductor formed by stamping a metal plate. Figure 11 The diagram shows a portion of conductor 36W. The outer connector 39 is supported by the lower end of a connector support 35 extending downward from one side of the base member 33. The connector support 35 is located on the outside in the direction in which multiple posts 33b are arranged. The lower end of the connector support 35 faces the outer connector 78 in the terminal block module 70 across the relay connector 250. A downwardly opening connector housing 39h is formed at the lower end of the connector support 35. The lower end of conductor 36W protrudes into the connector housing 39h as a connector terminal. The outer connector 39 is constituted by the connector housing 39h and the connector terminal at the lower end of conductor 36W. The outer connector 39 can face the outer connector 78 across the relay connector 250. Conductor 36W extends from the outer connector 39 through the connector support 35 to the base plate 33a.
[0157] A connector housing 37h with a rearward opening is provided on the base plate portion 33a. The upper end of the conductor 36W bends rearward and protrudes into the connector housing 37h. The connector housing 37h and the connector terminals at the upper end of the conductor 36W constitute the substrate-side connector 37. The substrate-side connector 37 is connected to the connector 131 on the inverter control board side.
[0158] (Regarding relay connectors) The repeater connector 150 is described below. Figure 12 This is a 3D view showing the repeater connector 150. Figure 13 This is an exploded perspective view of the repeater connector 150. Figure 14 yes Figure 12 Sectional view along line XIV-XIV, Figure 15 yes Figure 12 A sectional view along the XI-XV line. In Figure 14 and Figure 15 In the diagram, the relay terminal 152 is shown in a side view or a top view.
[0159] The relay connector 150 includes a relay terminal 152, a first housing 160, and a second housing 170.
[0160] The relay terminal 152 is formed of a conductive material such as metal. In this embodiment, the relay terminal 152 is formed by stamping a metal plate.
[0161] The relay terminal 152 includes a first terminal portion 153, a second terminal portion 154, and an intermediate connecting portion 156.
[0162] The first terminal portion 153 is the portion that connects to the target terminal, specifically the inner terminal 75 of the speed sensor. In this embodiment, the first terminal portion 153 is formed in a cylindrical shape, more specifically in a square cylindrical shape. The first terminal portion may also be formed in an elongated plate shape or a pin shape.
[0163] The second terminal portion 154 is the portion that connects to the terminal of the object to be connected, specifically to the terminal of the speed sensor-side connector 106. In this embodiment, the second terminal portion 154 is formed in a cylindrical shape, more specifically in a square cylindrical shape. The second terminal portion may also be formed in an elongated plate shape or a pin shape.
[0164] The intermediate connecting portion 156 is the portion that connects the first terminal portion 153 and the second terminal portion 154. That is, the intermediate connecting portion 156 is located between the first terminal portion 153 and the second terminal portion 154. The first terminal portion 153 and the second terminal portion 154 are electrically connected through the intermediate connecting portion 156.
[0165] The intermediate connecting portion 156 has a deformable portion 157, which allows the position of the second terminal portion 154 relative to the first terminal portion 153 to change. It can also be understood that the deformable portion 157 is more easily deformable than the first terminal portion 153 and the second terminal portion 154. Regarding ease of deformation, it can also be evaluated that the lower the bending stiffness, the easier the deformation. In this embodiment, the entire intermediate connecting portion 156 is the deformable portion 157.
[0166] In this embodiment, the first terminal portion 153 and the second terminal portion 154 are cylindrical, while the intermediate connecting portion 156 is a continuous strip-shaped portion. Furthermore, the width of the intermediate connecting portion 156 is narrower than the width of the first terminal portion 153 and the second terminal portion 154. Therefore, the bending stiffness of the intermediate connecting portion 156 is significantly less than that of the first terminal portion 153 and the second terminal portion 154.
[0167] The deformable portion 157 includes a bent portion, which can also be understood as a portion that is easily deformable by bending in this bent portion. In this embodiment, the deformable portion 157 includes a plurality of (four in this case) bent portions. More specifically, the deformable portion 157 bends in a direction intersecting the extending directions of the first terminal portion 153 and the second terminal portion 154 at the portions extending from the base ends of each of the two terminals. In addition, the top ends of the portions bending in the direction intersecting the extending directions of the first terminal portion 153 and the second terminal portion 154 are bent in a manner toward each other. That is, the deformable portion 157 is a U-shaped portion. By deforming each bent portion, the deformable portion 157 can be easily bent.
[0168] The first terminal portion 153 and the second terminal portion 154 are arranged at different positions in the direction in which the deformed portion 157 protrudes in a curved manner relative to the first terminal portion 153 and the second terminal portion 154. Therefore, the second terminal portion 154 is arranged at a position offset from the extension line of the first terminal portion 153 in the extending direction.
[0169] The intermediate connecting portion 156 is connected to the edge opposite to the side of the first terminal portion 153 that is curved and protruding from the deformed portion 157. The intermediate connecting portion 156 is connected to the edge of the curved and protruding side of the deformed portion 157 that is curved and protruding from the side of the second terminal portion 154 that is connected to the base end opening of the intermediate connecting portion 156.
[0170] It should be noted that the position where the intermediate connecting part 156 is connected to the first terminal part 153 and the second terminal part 154 is not limited to the above example, but is arbitrary.
[0171] In this embodiment, the relay connector 150 has a plurality of (six in this case) relay terminals 152. The plurality of relay terminals 152 are arranged in a row in the width direction. The plurality of relay terminals 152 may also be arranged in multiple rows.
[0172] The first housing 160 is used to maintain the state of the first terminal portion 153 and connect it to the speed sensor via the internal connector 74.
[0173] The second housing 170 is connected to the speed sensor-side connector 106 to maintain the state of the second terminal portion 154.
[0174] The first housing 160 and the second housing 170 can change position relative to each other. When the first housing 160 is connected to the internal connector 74 for the speed sensor, the position of the first housing 160 and the first terminal portion 153 is limited according to the position of the internal connector 74 for the speed sensor.
[0175] When the second housing 170 is connected to the speed sensor-side connector 106, the second housing 170 and the second terminal portion 154 may change depending on the position of the speed sensor-side connector 106. Since the first housing 160 and the second housing 170 can change position relative to each other, the second housing 170 can move to follow the position of the speed sensor-side connector 106 regardless of the position of the first housing 160. In addition, the second terminal portion 154 can move to follow the position of the speed sensor-side connector 106 regardless of the position of the first terminal portion 153 by deforming the deformable portion 157.
[0176] The first housing 160 and the second housing 170 preferably cover the intermediate connecting portion 156 in a state that allows deformation of the deformable portion 157. This allows the intermediate connecting portion 156 to be covered and protected from the outside in an insulated state. When the relay connector 150 includes a plurality of relay terminals 152, the first housing 160 and the second housing 170 preferably have partitions that insulate the relay terminals 152 from each other.
[0177] More specific structural examples of the first housing 160 and the second housing 170 will be described.
[0178] The first housing 160 is a component integrally molded from resin or the like. The first housing 160 includes a first terminal holding portion 162 that holds the first terminal portion 153, and a cylindrical portion 164 that extends from the first terminal holding portion 162 and surrounds the intermediate connecting portion 156.
[0179] The first terminal holding portion 162 is formed into a cuboid shape that is longer in one direction. A plurality of terminal holding holes 162h are formed within the first terminal holding portion 162 in an arrangement along its long side. One end of each terminal holding hole 162h opens on the side opposite to the cylindrical portion 164, and the other end opens on the side of the cylindrical portion 164. The first terminal portion 153 is inserted into and held within the terminal holding hole 162h. The first terminal portion 153 may also be held within the terminal holding hole 162h in a non-disengaging state by means of a locking structure or the like.
[0180] Multiple first terminal portions 153 are held in a row by multiple terminal holding holes 162h, and thus multiple intermediate connecting portions 156 are also held in the same manner in a row.
[0181] The cylindrical portion 164 extends in a cylindrical manner from the periphery of the base end extending from the intermediate connecting portion 156 in the first terminal holding portion 162. The cylindrical portion 164 surrounds the intermediate connecting portion 156. In this embodiment, the cylindrical portion 164 generally surrounds a plurality of intermediate connecting portions 156.
[0182] A pressure plate 163 extends from the base end of the first terminal holding portion 162 toward the inner end of the cylindrical portion 164. The pressure plate 163 extends from the edge of the opening at the other end of the terminal holding hole 162h, on the side opposite to the extension side of the intermediate connecting portion 156. With the first housing 160 and the second housing 170 assembled, the pressure plate 163 extends toward the second terminal portion 154, and can face the rear end of the second terminal portion 154. Therefore, when the second terminal portion 154 retracts toward the extension portion 174, the pressure plate 163 contacts the second terminal portion 154 and obstructs this retraction. Thus, the second terminal portion 154 is difficult to detach from the terminal holding hole 172h.
[0183] The second housing 170 is a component integrally molded from resin or the like. The second housing 170 includes a second terminal holding portion 172 that holds the second terminal portion 154 and an extension portion 174 extending from the second terminal holding portion 172.
[0184] The second terminal holding portion 172 is formed into a long rectangular parallelepiped shape in one direction. Multiple terminal holding holes 172h are formed within the second terminal holding portion 172, arranged along its long side. One end of each terminal holding hole 172h opens on the side opposite to the extension 174, and the other end of each terminal holding hole 172h opens on the side of the extension 174. The second terminal portion 154 is inserted into and held within the terminal holding hole 172h. The second terminal portion 154 can also be held within the terminal holding hole 172h in a non-disengaging state by means of a locking structure or the like.
[0185] Since the multiple second terminal portions 154 are held in a row by the multiple terminal holding holes 172h, the multiple intermediate connecting portions 156 are also held in the same manner in a row.
[0186] The extension 174 includes a pair of sidewall portions 175, 175, which extend from both sides of the base end of the intermediate connecting portion 156 in the second terminal holding portion 172. In this embodiment, the extension 174 also includes an upper wall portion 176 connecting one side edge of the pair of sidewall portions 175, 175. Therefore, the plurality of intermediate connecting portions 156 are surrounded by the extension 174 from three directions. An opening is located on the side of the extension 174 opposite to the upper wall portion 176, but this portion can also be sealed.
[0187] The extension 174 further has a partition 176a located between a pair of sidewall portions 175, 175 and between a plurality of intermediate connecting portions 156. The partition 176a separates adjacent intermediate connecting portions 156 in an insulated state.
[0188] The extension 174 can be inserted into the cylindrical portion 164. The extension can also be disposed on the outside of the cylindrical portion.
[0189] Positioning tabs 173 extend outward from the edges of a pair of long sides of the base end of the extension portion 174 in the second terminal holding portion 172. The pair of positioning tabs 173 face the top end of the cylindrical portion 164. By contacting the positioning tabs 173 with the cylindrical portion 164, movement in the approach direction of the first housing 160 and the second housing 170 is restricted. In this state, movement in the approach direction of the first housing 160 and the second housing 170 is also restricted by the contact between the top end of the extension portion 174 and the base end of the first terminal holding portion 162.
[0190] The cylindrical portion 164 and the extension portion 174 are locked together in a state in which their positions can be changed relative to each other and their movement in the disengagement direction is restricted.
[0191] It should be noted that the approach direction of the cylindrical portion 164 and the extension portion 174 is the direction in which the extension portion 174 enters the cylindrical portion 164 along its axial direction. The disengagement direction of the cylindrical portion 164 and the extension portion 174 is the direction in which the extension portion 174 disengages from the cylindrical portion 164 along its axial direction. The approach or disengagement direction A of the cylindrical portion 164 and the extension portion 174 is a straight line along the approach or disengagement direction. The same applies to the approach direction, disengagement direction, and approach or disengagement direction A of the first housing 160 and the second housing 170.
[0192] More specifically, the cylindrical portion 164 includes a locking claw 165, and the extension portion 174 includes a locking surface 175hf.
[0193] The locking claw 165 extends inward from the top edge of a pair of sidewall portions on the short side of the cylindrical portion 164. A locking surface 175hf is formed on a pair of sidewall portions 175 in the extension portion 174. Furthermore, the locking claw 165 can engage with the locking surface 175hf of the sidewall portion 175 within the cylindrical portion 164.
[0194] More specifically, the locking claw 165 includes an inclined portion 165a and a top locking portion 165b.
[0195] The inclined portion 165a folds back from the top edge of the wall portion on the short side of the cylindrical portion 164 toward the cylindrical portion 164 and toward the first terminal holding portion 162. The inclined portion 165a is inclined relative to the extension portion 174 in the approach or departure direction A of the cylindrical portion 164, that is, in the axial direction of the cylindrical portion 164. More specifically, the inclined portion 165a is inclined in such a way that the distance between the inclined portion 165a and the inner surface of the cylindrical portion 164 increases as it approaches the first terminal holding portion 162. It can also be said that the inclined portion 165a is inclined inward from the opening edge of the cylindrical portion 164.
[0196] Because the inclined portion 165a is inclined, when the extension 174 is inserted into the cylindrical portion 164, the top end of the side wall portion 175 contacts the inclined portion 165a, thereby allowing the inclined portion 165a to easily deform in a manner close to the inner surface of the cylindrical portion 164. To enable more reliable deformation of the inclined portion 165a, a partial slit is formed at the root of the portion connecting the inclined portion 165a in the cylindrical portion 164. This slit may be omitted.
[0197] The top locking portion 165b is located at the top end of the inclined portion 165a and extends toward the cylindrical portion 164. The angle of the top locking portion 165b relative to the approach or disengagement direction A is larger than the angle of the inclined portion 165a relative to the approach or disengagement direction A. The angle of the top locking portion 165b relative to the approach or disengagement direction A is between 0 and 90 degrees. Therefore, the fact that the angle of the top locking portion 165b relative to the approach or disengagement direction A is larger than the angle of the inclined portion 165a relative to the approach or disengagement direction A means that the angle of the top locking portion 165b relative to the approach or disengagement direction A is closer to a right angle than the angle of the inclined portion 165a relative to the approach or disengagement direction A. This top locking portion 165b can easily and stably contact the locking surface 175hf.
[0198] In the extension 174, a pair of sidewall portions 175 are formed with locking holes 175h that serve as locking recesses. In this embodiment, the locking recess is a locking hole 175h that penetrates through the sidewall portion 175, but the locking recess may also be a bottomed recess that opens to the side of the locking claw 165.
[0199] The locking hole 175h is formed as a square through hole. The inner surface of the inner circumferential surface of the locking hole 175h facing the side of the second terminal holding portion 172 is the locking surface 175hf. The locking surface 175hf is preferably orthogonal to the approach or disengagement direction A.
[0200] Furthermore, the top portion of the locking claw 165 enters the locking hole 175h from the outside, thereby locking the locking claw 165 onto the locking surface 175hf. In this state, the top portion of the locking claw 165 contacts the locking surface 175hf from the side of the second terminal holding portion 172. Therefore, when the extension portion 174 attempts to disengage from the cylindrical portion 164 toward the opening side of the cylindrical portion 164, the movement of the extension portion 174 in the disengagement direction is restricted.
[0201] With the tip of the locking pawl 165 entering the locking hole 175h from the outside, a gap exists between the tip of the locking pawl 165 and the locking hole 175h in the approach or disengagement direction A. Therefore, the locking pawl 165 can move within the locking hole 175h in the approach or disengagement direction A, and correspondingly, the first housing 160 and the second housing are movable in the approach or disengagement direction A (see reference). Figure 15Furthermore, in the direction orthogonal to the approach or departure direction A (the direction of the short side of the cylinder 164), the width W2 of the locking hole 175h is greater than the width W1 of the locking pawl 165. Therefore, in the direction orthogonal to the approach or departure direction A, the locking pawl 165 is movable within the locking hole 175h.
[0202] In addition, the amount of the locking hole 175h can be adjusted, and the locking claw 165 can also move within the locking hole 175h in other directions (long side direction of the cylinder 164) orthogonal to the approach or disengagement direction A.
[0203] Therefore, the locking claw 165 is locked onto the locking surface 175hf in a state where the first housing 160 and the second housing 170 can change positions relative to each other and in a state that restricts separation.
[0204] It should be noted that, conversely, a locking surface can also be formed in the cylindrical portion and a locking claw can be formed in the extension portion.
[0205] The cylindrical portion 164 has an elastic sheet 166 that contacts the extension 174 and applies force to the extension 174 relative to the cylindrical portion 164 in a direction that intersects with the approach or disengagement direction A.
[0206] In this embodiment, a pair of elastic sheets 166 extend inward from the top edges of a pair of wall portions on the long side of the cylindrical portion 164. One elastic sheet 166 is positioned to contact the outward side of the upper wall portion 176. The other elastic sheet 166 is positioned in the partition portion 176a to contact the edge of the upper wall portion 176.
[0207] More specifically, the elastic sheet 166 includes an inclined portion 166a.
[0208] The inclined portion 166a folds back from the top edge of the wall portion on the long side of the cylindrical portion 164 toward the cylindrical portion 164 and toward the first terminal holding portion 162. The inclined portion 165a is inclined relative to the extension portion 174 in the approach or departure direction A of the cylindrical portion 164, that is, in the axial direction of the cylindrical portion 164. More specifically, the inclined portion 165a is inclined in such a way that the distance between the inclined portion 165a and the inner surface of the cylindrical portion 164 increases as it approaches the first terminal holding portion 162. It can also be said that the inclined portion 165a is inclined inward from the opening edge of the cylindrical portion 164.
[0209] Because the inclined portion 166a is inclined, when the extension 174 is inserted into the cylindrical portion 164, the outward-facing side edge of the upper wall portion 176 or the side edge of the partition portion 176a contacts the inclined portion 166a, thereby allowing the inclined portion 166a to easily deform in a manner close to the inner surface of the cylindrical portion 164. To enable the inclined portion 166a to deform more reliably, a partial slit is formed at the root of the portion connecting the inclined portion 166a in the cylindrical portion 164. This slit may also be omitted.
[0210] Similar to the locking claw 165, a top portion 166b with the same structure as the top locking portion 165b may also be formed at the top of the inclined portion 166a.
[0211] Since a pair of elastic plates 166 located on the long side of the cylindrical portion 164 contact the extension 174 from both sides, the extension 174 is forceped toward the center of the long side portion of the cylindrical portion 164. As a result, the extension 174 is easily maintained in a stable position near the center of the cylindrical portion 164.
[0212] The repeater connector 250 is described with a focus on the parts that differ from the repeater connector 150. Figure 16 This is a 3D view showing the repeater connector 250. Figure 17 yes Figure 16 A partial sectional view along line XVII-XVII.
[0213] The relay connector 250 includes a relay terminal 152, a first housing 260, and a second housing 270.
[0214] The relay terminal 152 can also be the same as the relay terminal 152 in the relay connector 150.
[0215] The first housing 260 corresponds to the first housing 160, but differs from the first housing 160 in the following respect: The first terminal holding portion 262 of the first housing 260 has first terminal holding holes 262h arranged in multiple rows (two rows in this case). Therefore, a plurality of first terminal portions 153 are held by the first terminal holding portion 262 in a multi-row arrangement. Here, eight first terminal portions 153 are held in two rows.
[0216] The second housing 270 corresponds to the second housing 170, but differs from the second housing 270 in the following respect: The second terminal holding portion 272 of the second housing 270 has second terminal holding holes 272h arranged in multiple rows (two rows in this case). Therefore, a plurality of second terminal portions 154 are held by the second terminal holding portion 272 in a multi-row arrangement. Here, eight second terminal portions 154 are held in two rows.
[0217] In the following description, the terminals arranged in one row in the relay terminals 152 are sometimes referred to as the first position configuration terminal 152A, and the terminals arranged in another row are referred to as the second position configuration terminal 152B. The deformed portion 157 of the first position configuration terminal 152A and the deformed portion 157 of the second position configuration terminal 152B are bent in a manner that they protrude to opposite sides.
[0218] Therefore, the deformable portions 157 extending from the first terminal portion 153 and the second terminal portion 154 are difficult to contact each other between the terminal 152A in the first position and the terminal 152B in the second position.
[0219] Furthermore, the deformable portions 157 of the first position terminal 152A and the second position terminal 152B can maintain the first housing 260 and the second housing 270 in a connected state in a balanced manner on both the first position terminal 152A side and the second position terminal 152B side. Additionally, the reaction forces of each deformable portion 157 act in a balanced manner on the first housing 260 and the second housing 270 on both the first position terminal 152A side and the second position terminal 152B side, preventing the second housing 270 from easily shifting significantly relative to the first housing 260.
[0220] By using the deformable portions 157 of the first position terminal 152A and the deformable portions 157 of the second position terminal 152B arranged in two rows, the first housing 260 and the second housing 270 can be held in a balanced and good connected state from each row side, so the elastic sheet 166 can be omitted.
[0221] Furthermore, in this relay connector 250, a pressure plate 263 corresponding to the pressure plate 163 extends from between two rows of first terminal holding holes 262h arranged in the base end of the first terminal holding portion 262. The pressure plate 263 also extends towards between two rows of second terminal holding holes 272h arranged in the base end of the second terminal holding portion 272. The pressure plate 263 is positioned opposite each of the second terminal portions 154 held in the two rows of second terminal holding holes 272h, preventing the second terminal portions 154 from falling out.
[0222] (Example of manufacturing a mechatronics unit) A manufacturing example of the mechatronic unit 20 will be described.
[0223] First, a coil end module 50 is assembled at the end of the coil line 46a of the armature 46 (see reference). Figure 4 Thus, the coil wires 46a are connected to each other in a predetermined combination. Additionally, a portion of the coil wires 46a is connected to the coil end lead-out terminal 58. The armature 46 can be inserted into the housing body 42 either after the coil end module 50 is assembled or before assembly.
[0224] In addition, such as Figure 18 As shown, the terminal block module 70 is assembled to the cover portion 43 by means of threaded fastening or the like. In this state, the internal connector 74 for the speed sensor and the internal connector 76 for the temperature sensor of the terminal block module 70 face rearward along the rotation axis X. The first housing 160, the second housing 170, and the second terminal portion 154, to which the relay connector 150 is connected, face rearward along the rotation axis X.
[0225] Furthermore, the inner opening 73h1 of the terminal block body 72 faces rearward along the rotation axis X, and the outer opening 73h2 faces the opening 43h side, i.e., the outer side. Further, the external connector 78 faces the opening 43h side, i.e., the outer side. The first housing 260, the second housing 270, and the second terminal portion 154, to which the relay connector 250 is connected, face the opening 43h side, i.e., the outer side.
[0226] Next, the speed sensor-side connector 106 is connected to the second housing 170 and the second terminal portion 154 of the relay connector 150, and then secured to the cover portion 43 by threaded fastening or the like. With the terminal block module 70 and the speed sensor-side connector 106 assembled relative to the cover portion 43, the speed sensor-side connector 106 and the speed sensor internal connector 74 are positioned opposite each other along the rotation axis X. Therefore, if the speed sensor 100 is moved along the rotation axis X toward the cover portion 43, the connection of the two connectors 74 and 106 via the relay connector 150 can be easily performed.
[0227] When the relative positions of connectors 74 and 106 are offset in a direction intersecting the rotation axis X, the second housing 170 and the second terminal portion 154 of the relay connector 150 can be adjusted in a direction intersecting the rotation axis X, while deforming the intermediate connecting portion 156, to align with the position of the speed sensor-side connector 106. Therefore, even if the relative positions of connectors 74 and 106 are offset, it is easy to operate the two connectors 74 and 106 via the relay connector 150.
[0228] Alternatively, the speed sensor side connector 106 and the speed sensor internal connector 74 can be connected via the relay connector 150, and the module consisting of the combined terminal block module 70 and the speed sensor 100 can be assembled onto the cover 43 by means of threaded fastening or the like.
[0229] The assembly of the coil end module 50 relative to the armature 46, and the assembly of the terminal block module 70 or the speed sensor 100 relative to the cover 43 can be performed first.
[0230] As described above, with the speed sensor side connector 106 and the speed sensor internal connector 74 connected via the relay connector 150, the module integrating the terminal block module 70 and the speed sensor 100 is referred to as the speed sensor integrated terminal block module 44 (see reference). Figure 18 ).
[0231] And, as Figure 19 As shown, the cover 43 is fixed to the housing body 42 by means of threaded fastening or the like, with the front opening of the housing body 42 closed. At this time, the top end of the coil end lead terminal 58 is disposed on the connecting member 80 through the inner opening 73h1 along the rotation axis X. The top end of the coil end lead terminal 58 is disposed on the upper side of the pressing piece 88.
[0232] Additionally, the temperature sensor-side connector 112 is also connected to the internal connector 76 for the temperature sensor along the rotation axis X. At this time, the temperature sensor-side connector 112 can move within the inner connector receiving portion 55. Therefore, even if a positional offset occurs between connectors 76 and 112, the temperature sensor-side connector 112 can be moved in accordance with the position of the internal connector 76 for the temperature sensor. Therefore, the connectors 76 and 112 are connected more reliably.
[0233] Subsequently, the control device 30 is assembled to the rotary motor 40 via threaded fastening or the like. At this time, the terminal 32 is inserted into the rotary motor 40 through the opening 43h. The outer bus terminal 38 is pressed against the upper surface of the coil end lead-out terminal 58 located on the connecting member 80 through the outer opening 73h2. The outer bus terminal 38 presses the force-applying member 86 in through the top end of the coil end lead-out terminal 58. As a result, the coil end lead-out terminal 58 tilts with its base end as a fulcrum, causing its top end to shift downward. Because the force-applying member 86 is compressed, the force of the force-applying member 86 maintains the state in which the top end of the coil end lead-out terminal 58 is pressed against the top end of the outer bus terminal 38.
[0234] Furthermore, the outer connector 39 moves toward the outer connector 78 through the opening 43h and connects to the outer connector 78 via the relay connector 250. As described above, the relay connector 250 is connected to the outer connector 39. Therefore, even if a positional shift occurs between the connectors 39 and 78, the second housing 270 and the second terminal portion 154 of the relay connector 250 can move in accordance with the position of the outer connector 78. Therefore, the connectors 39 and 78 are connected more reliably via the relay connector 250.
[0235] (Effects, etc.) According to the relay connectors 150 and 250 configured as described above, the terminals of the internal connector 74 or the external connector 78 for the speed sensor can be connected to the first terminal portion 153, and the terminals of the speed sensor-side connector 106 or the external connector 39 can be connected to the second terminal portion 154, thus enabling relay connection between the two terminals. In the event of a positional shift between the terminals to be connected, the deformable portion 157 deforms, and the positions of the first housings 160 and 260 and the second housings 170 and 270 can be adjusted relative to each other. This absorbs the positional shift between the terminals to be connected.
[0236] Furthermore, since the first housing 160, 260 and the second housing 170, 270 cover the intermediate connecting portion 156 in a state that allows the deformation of the deformable portion 157, the intermediate connecting portion 156 can be covered in an insulating state.
[0237] Because the first housing 160 has a cylindrical portion 164, the cylindrical portion 164 can cover the intermediate connecting portion 156 in an insulated state. In addition, the cylindrical portion 164 and the extension portion 174 interlock with each other, so that the first housing 160 and the second housing 170 can be assembled in a state where their relative positions can change and separation is suppressed.
[0238] Furthermore, one of the cylindrical portion 164 and the extension portion 174 includes a locking claw 165, and the other of the cylindrical portion 164 and the extension portion 174 includes a locking surface 175hf. The locking claw 165 engages with the locking surface 175hf to restrict the extension portion 174 from moving in a direction away from the cylindrical portion 164. Therefore, by moving the extension portion 174 relative to the cylindrical portion 164 in an approaching direction starting from the locking state, the first housing 160 and the second housing 170 can move in the approaching or disengaging direction A.
[0239] Furthermore, the locking pawl 165 includes: an inclined portion 165a, inclined relative to the approach or disengagement direction A; and a top locking portion 165b, located at the top end of the inclined portion 165a, with an angle greater than that of the inclined portion 165a relative to the approach or disengagement direction A. Therefore, by contacting the inclined portion 165a with the other of the cylindrical portion 164 and the extension portion 174, the locking pawl 165 can easily and elastically deform to lock onto the locking surface 175hf. Furthermore, by locking the top locking portion 165b, which has a larger angle relative to the approach or disengagement direction A than the inclined portion 165a, onto the locking surface 175hf, the locking pawl 165 can reliably lock onto the locking surface 175hf in an anti-disengagement state, more reliably preventing the extension portion 174 from disengaging from the cylindrical portion 164.
[0240] Furthermore, in a direction orthogonal to the approach or departure direction A, the width of the locking hole 175h is wider than the width of the locking claw 165. Therefore, within the range of movement of the locking claw 165 within the locking hole 175h, the first housing 160 and the second housing 170 can move in a direction orthogonal to the approach or departure direction.
[0241] Furthermore, the elastic sheet 166 contacts the cylindrical portion 164 or the extension portion 174, and along a direction intersecting the approach or disengagement direction A, forces the extension portion 174 relative to the cylindrical portion 164, thus easily maintaining the cylindrical portion 164 and the extension portion 174 in a certain positional relationship. As a result, the position of the second housing 170 relative to the first housing 160 is stable. The positional offset of the speed sensor-side connector 106 relative to the speed sensor internal connector 74 is considered to be centered on the ideal position designed for the speed sensor-side connector 106 relative to the speed sensor internal connector 74. Therefore, by pre-applying force to the position of the second housing 170 relative to the first housing 160 to align it with the ideal design position, the second housing 170 and the second terminal portion 154, and the connector on the opposite side, are less prone to large positional offsets, making their connection operations easier to perform.
[0242] Furthermore, as with the repeater connector 250, when the repeater terminals include a first position configuration terminal 152A and a second position configuration terminal 152B, when the deformable portion 157 of the first position configuration terminal 152A and the deformable portion 1577 of the second position configuration terminal 152B are bent in such a way that they protrude to opposite sides, the deformable portions 157 are unlikely to come into contact with each other. Additionally, the reaction force of the deformable portion 157 acts well in a balanced manner on the first housing 260 and the second housing 270, and the second housing 270 is less likely to shift relative to the first housing 260.
[0243] Furthermore, according to this terminal block module 70, if the terminal block body 72 holding the connecting member 80 is assembled and fixed to the device housing 41, the internal connector 74 for the speed sensor is disposed inside the device housing 41. If the speed sensor 100 is connected to the internal connector 74 for the speed sensor via the relay connector 150, the speed sensor 100 is connected to the wiring outside the rotary motor 40 via the speed sensor wiring 60. Therefore, the wiring 60 connected to the speed sensor 100 installed inside the rotary motor 40 can be easily connected to the wiring outside the rotary motor 40, making wiring operations easier.
[0244] In addition, since the terminal block module 70 has an external connector 78 for the speed sensor, the control device 30 outside the rotary motor 40 can be easily connected to the speed sensor wiring 60 by connecting the external connector 39 outside the device housing 41 to the external connector 78 via the relay connector 250.
[0245] It should be noted that a relay connector can also be used at the connection point between the temperature sensor-side connector 112 and the internal connector 76 for the temperature sensor. In this case, the temperature sensor 110 can also be supported in a certain position within the coil-end module 50.
[0246] (Implementation Method 2) The mechatronic unit 320 of Embodiment 2 will be described. Figure 20 This is a perspective view of the mechatronic unit 320. Figure 20 In the description of Embodiment 2, the same reference numerals are used for the same constituent elements as those described in Embodiment 1, and their descriptions are omitted.
[0247] Regarding the mechatronic unit 320, the description will focus on the differences from the mechatronic unit 20. In the outer shell main body 342, which corresponds to the outer shell main body 42 in Embodiment 1, a control device part 330, which corresponds to the part of the control device 30 excluding the cover, and a peripheral wall part 343, which corresponds to the peripheral wall part of the cover part 43, are integrally formed.
[0248] The coil end module 350, corresponding to the coil end module 50 in Embodiment 1, is disposed next to the armature 46. The terminal block module 70 in Embodiment 1 is omitted. Instead, the portion corresponding to the terminal 32 in Embodiment 1 is disposed above the coil end module 350 as the terminal block module 332. The terminal block module 332 is fixed from the housing body 342 side to the wall portion that separates the housing body 342 and the control device portion 330.
[0249] Figure 21 This is a perspective view of the speed sensor 400, which corresponds to the coil end module 350, the terminal block module 332, and the speed sensor 100. Figure 22 This is an exploded perspective view of the coil end module 350, the terminal block module 332, and the speed sensor 400.
[0250] The coil end module 350 has a coil end holding part 352 corresponding to the coil end holding part 52 and a coil end lead-out terminal 358 corresponding to the coil end lead-out terminal 58. The coil end lead-out terminal 358 is located on the outer periphery of the coil end holding part 352, and the busbar 334 of the terminal block module 332 is connected to the coil end lead-out terminal 358 from the outer periphery.
[0251] Coil end module 350, like coil end module 50, has a relay bus 53. Multiple coil wires are electrically connected in a predetermined combination via the relay bus 53, or connected to the coil end lead-out terminal 358.
[0252] The terminal block module 332 includes a terminal block body 333 and a busbar 334. The terminal block body 333 is a component formed of resin or the like, and is fixed to the outer casing body 342 by threaded fastening or the like. The busbar 334 is held in a certain position by the terminal block body 333. One end of the busbar 334 faces the coil end holding part 352 and is connected to the coil end holding part 352. This connection can also be made by welding, threaded fastening, soldering, stamping, or the like.
[0253] The other end of bus 334 extends from the housing body 342 toward the control equipment section 330 and connects to bus 130 extending from the inverter control board. The connection of this part can also be made by welding, threading, soldering, stamping, etc.
[0254] A signal relay 336, corresponding to the signal relay 36 of the terminal 32 in Embodiment 1, is installed at one end of the terminal block module 332. An outer connector 339 on one end of the signal relay 336 extends toward one end of the coil terminal module 350 and toward the armature 46 along the rotation axis X. A substrate-side connector 337 on the other end of the signal relay 336 extends toward the control device portion 330.
[0255] One end of the coil end module 350 is provided with an internal connector 374 for a speed sensor corresponding to the internal connector 74 for a speed sensor in Embodiment 1 and an external connector 378 corresponding to the external connector 78.
[0256] Alternatively, the metal strip member connecting the internal connector 374 and the external connector 378 of the speed sensor can be used as the wiring 376 for the speed sensor, with one end used as terminal 376a of the internal connector 374 and the other end used as terminal 376b of the external connector 378.
[0257] As described in Embodiment 1, the temperature sensor 410 can be integrally mounted into the coil end module 350. Therefore, the end of the conductive member (wiring) 412 extending from the temperature sensor can also be mounted as a terminal of the external connector 378. The conductive member (wiring) 412 extending from the temperature sensor can also pass through the coil end holding portion 352 and extend toward the external connector 378.
[0258] The internal connector 374 for the speed sensor faces the side opposite to the armature 46 in the direction of rotation axis X. The speed sensor 400 is fitted with the speed sensor-side connector 406, corresponding to the speed sensor-side connector 106, in a state facing the armature 46 in the direction of rotation axis X, onto the cover. Therefore, the speed sensor-side connector 406 is arranged opposite to the internal connector 374 for the speed sensor in the direction of rotation axis X. Similar to Embodiment 1, the relay connector 150 is located between the speed sensor-side connector 406 and the internal connector 374 for the speed sensor.
[0259] The external connector 378 faces the side opposite to the armature 46 in the direction of rotation axis X, and is opposite to the outer connector 339 in the direction of rotation axis X. Similar to Embodiment 1, the relay connector 250 is located between the external connector 378 and the outer connector 339.
[0260] The assembly of the mechatronic unit 320 in this embodiment is performed as follows, for example.
[0261] For example, the coil wire can be connected to the relay bus 53, and the coil end module 350 can be fixed to the end of the armature 46.
[0262] Then, the terminal block module 332 is fixed to the housing body 342. At this time, the external connector 378 and the outer connector 339, which are arranged opposite each other in the direction of the rotation axis X, are connected via the relay connector 250. Therefore, even if there is a positional misalignment between the external connector 378 and the outer connector 339, it is easy to connect the two connectors 378 and 339.
[0263] In addition, one end of the busbar 334 is connected to the coil end holding part 352 by welding or the like.
[0264] Additionally, the speed sensor 400 is fitted to a cover that closes the opening of the peripheral wall portion 343. This cover is fitted to the peripheral wall portion in a manner that closes the opening of the peripheral wall portion 343. At this time, the internal connector 374 for the speed sensor and the speed sensor-side connector 406, which are positioned opposite each other in the direction of the rotation axis X, are connected via a relay connector 150. Therefore, even if there is a positional misalignment between the internal connector 374 for the speed sensor and the speed sensor-side connector 406, it is easy to connect the two connectors 374 and 406.
[0265] According to this embodiment 2, by utilizing relay connectors 150 and 250, the same effect as in embodiment 1 can be obtained.
[0266] In addition, the coil end module 350 has a coil end lead-out terminal 358, a coil end holding part 352, an internal connector 374 for the speed sensor, and a speed sensor wiring 376, so the wiring extending from the speed sensor 400 can be easily connected to wiring outside the rotary motor.
[0267] (Variation example) In embodiments 1 and 2, examples of relay connectors 150 and 250 relaying connections to connectors within a rotating electric machine are described. However, the relay connectors themselves are not limited to connectors within a rotating electric machine and can be used as relay connectors to various other types of connectors. Relay connectors are not only signal connectors for sensors, etc., but can also be used for power applications. For example, in a rotating electric machine, when connecting power transmission buses and other buses or terminals, they can also be used as relay connectors to absorb positional shifts.
[0268] The terminal block module and coil terminal module in this embodiment are examples of connection modules.
[0269] It should be noted that the structures described in the above embodiments and variations can be appropriately combined as long as they do not contradict each other. Explanation of reference numerals in the attached figures 20, 320 Mechatronics Unit 28 Wiring unit for rotating electric machines 30 Control equipment 32 terminals 33 Base components 33a Base plate 33b Column 35 Connector support 36, 336 signal repeater 36W conductor 37, 337 Board-side connectors 37h Connector Housing 38 Outer busbar terminals 39, 339 External Connectors 39h Connector Housing 40 Rotary motor 41 Equipment casing 42, 342 Outer shell body 43 cover 43h opening 44 Speed sensor integrated terminal block module 46 Armature 46a coil wire 49 Excitation 50 and 350 coil terminal modules 52, 352 Coil End Holding Section 52h Insertion Hole 53 Relay Busbar 53a connector 54 Connector Retention Section 54P Wire Support 55 Inner connector receiving part 55g Wire Insert Slot 58, 358 coil lead-out terminals 60 Speed sensor wiring 62 Wiring for temperature sensor 70 terminal block module 71 Threaded fastener 72 Terminal Block Body 72E Extension 73 Storage recess 73h1 Inner opening 73h2 Outer opening 74, 374 speed sensor internal connector 74a Internal connector housing 75 Speed sensor inner terminal 76. Internal connector for temperature sensor 76a Internal Connector Housing 77 Temperature sensor inner terminal 78, 378 External Connectors 78a External Connector Housing 79t1 speed sensor external terminal 79t2 Temperature Sensor External Terminal 80 Connecting components 82 Supporting components 83 Bottom 83a positioning plate 84 Side panels 84a Anti-detachment tablets 84g guide slot 86 Force-applying components 88 Press Tablets 88a Pressing Plate Section 88ap protuberance 88b Lower plate section 88bp protrusion 88g Guide Section 100, 400 speed sensors 102 Ring-shaped main body 103 Threaded fastener 104 Connector Support 106, 406 speed sensor side connector 110 Temperature Sensor 112 Temperature sensor side connector 114 Wire 130 busbar 131 connector 150, 250 repeater connectors 152 relay terminals 152A Position 1 Configuration Terminal 152B Position 2 Terminal Configuration 153 Terminal 1 154 Second terminal section 156 Intermediate Connector 157 Deformation section 160, 260 First shell 162, 262 Terminal holding section 162h, 252h terminal retaining holes 163, 263 tablets 164 Cylinder section 165 locking claw 165a Inclined section 165b Top locking part 166 Elastic Sheet 166a Inclined section 166b Top section 170, 270 Second shell 172, 272 Second terminal holding part 172h, 272h terminal retaining holes 173 positioning plates 174 Extension 175 Side wall portion 175h locking hole 175hf card stop surface 176 Upper wall 176a Separator 330 Control Equipment Section 332 Terminal Block Module 333 Terminal Block Body 334 busbar 343 Peripheral section 376 Speed sensor wiring 376a, 376b terminals A. Approaching or departing direction X Rotation Axis
Claims
1. A relay connector comprising: a relay terminal including a first terminal portion, a second terminal portion, and an intermediate connecting portion connecting the first terminal portion and the second terminal portion; a first housing holding the first terminal portion; and a second housing holding the second terminal portion, wherein the intermediate connecting portion has a deformation portion allowing a position of the second terminal portion to be changed with respect to the first terminal portion, and the first housing and the second housing are capable of changing positions with respect to each other.
2. The relay connector according to claim 1, wherein the first housing and the second housing cover the intermediate connecting portion in a state allowing the deformation portion to be deformed.
3. The relay connector according to claim 1 or claim 2, wherein the first housing includes a first terminal holding portion holding the first terminal portion, and a barrel portion extending from the first terminal holding portion and surrounding the intermediate connecting portion, the second housing includes a second terminal holding portion holding the second terminal portion, and an extension portion extending from the second terminal holding portion, and the barrel portion and the extension portion are engaged with each other in a state capable of relatively changing positions and restricting the barrel portion and the extension portion from moving in a direction of separation.
4. The relay connector according to claim 3, wherein one of the barrel portion and the extension portion includes an engagement claw, the other of the barrel portion and the extension portion includes an engagement surface, and the engagement claw is engaged with the engagement surface, thereby restricting the extension portion from moving in a direction of separation from the barrel portion.
5. The relay connector according to claim 4, wherein the engagement claw includes an inclined portion inclined with respect to an approach or separation direction of the extension portion with respect to the barrel portion, and a tip engagement portion located on a tip side of the inclined portion and having an angle with respect to the approach or separation direction larger than an angle of the inclined portion with respect to the approach or separation direction.
6. The relay connector according to claim 4, wherein the other of the barrel portion and the extension portion has an engagement recess, an inner surface of the engagement recess has the engagement surface, and a width of the engagement recess is wider than a width of the engagement claw in a direction orthogonal to the approach or separation direction of the extension portion with respect to the barrel portion.
7. The relay connector according to claim 3, wherein one of the barrel portion and the extension portion has an elastic piece in contact with the other of the barrel portion and the extension portion, the elastic piece relatively applies a force of the extension portion to the barrel portion in a direction intersecting the approach or separation direction of the extension portion with respect to the barrel portion.
8. The relay connector according to claim 1 or claim 2, wherein the relay terminal includes a first position configuration terminal and a second position configuration terminal.
9. The relay connector according to claim 8, wherein the deformation portion of the first position configuration terminal and the deformation portion of the second position configuration terminal are portions curved in a manner of protruding to opposite sides with respect to each other. The terminal block module comprises: 10. A terminal block module fixed to an apparatus case of a rotary electric machine provided with a sensor, wherein A connecting member is used to electrically connect the inner busbar terminals inside the equipment housing and the outer busbar terminals outside the equipment housing; Terminal block body, used to keep the connecting member fixed to the device housing; An internal connector for a sensor has an inner terminal for the sensor, which is supported by the terminal block body in a manner located within the housing of the device. Sensor wiring, at least a portion of which is retained within the terminal block body, connects the sensor's inner terminals to circuitry from outside the device housing; and The sensor uses an inner relay connector, which connects to the sensor's internal connector, wherein... The inner relay connector for the sensor is the relay connector described in claim 1 or claim 2.
11. The terminal block module according to claim 10, wherein, The sensor is a speed sensor or a temperature sensor. The internal connector for the sensor is either an internal connector for a speed sensor or an internal connector for a temperature sensor. The wiring used for the sensor is either wiring for a speed sensor or wiring for a temperature sensor. The internal relay connector for the sensor is either an internal relay connector for a speed sensor or an internal relay connector for a temperature sensor.
12. A coil end module disposed beside an armature in a device housing of a rotary electric machine provided with a sensor, wherein The coil terminal module includes: The coil leads out a terminal and connects to the coil wire of the rotating motor inside the equipment housing; A coil end holding portion supports the coil end lead-out terminal; An internal connector for a sensor has an inner terminal for a sensor and is supported by the coil end retainer in a manner located within the housing of the device. The sensor wiring, at least a portion of which is retained within the coil end holding portion, connects the inner terminal of the sensor to circuitry from outside the device housing; and The sensor uses an inner relay connector, which connects to the sensor's internal connector, wherein... The inner relay connector for the sensor is the relay connector described in claim 1 or claim 2.
13. The coil end module according to claim 12, wherein, The sensor is a speed sensor or a temperature sensor. The internal connector for the sensor is either an internal connector for a speed sensor or an internal connector for a temperature sensor. The wiring used for the sensor is either wiring for a speed sensor or wiring for a temperature sensor. The internal relay connector for the sensor is either an internal relay connector for a speed sensor or an internal relay connector for a temperature sensor.
14. A connection module comprising the relay connector as described in claim 1 or claim 2, fixed to the device housing of a rotating electric motor.
Citation Information
Patent Citations
Measurement system, electrical machine and method for producing an electrical machine of this kind
WO2020259908A1